CVE-2026-10231

Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp extract_anim_value heap-based overflow

MEDIUM
5.3
CVSS Score
Published: June 1, 2026 at 06:15 AM UTC
Updated: July 22, 2026 at 07:37 AM UTC
1 product affected across 1 vendorAssimp

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.1%
SSVC
PoC

Description

A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extract_anim_value of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The project tagged the reported issue as bug.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/367510
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/367510/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-10231
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/821191
Issue Tracking
Source: cverecord
https://github.com/assimp/assimp/issues/6616
Product
Source: cverecord
https://github.com/assimp/assimp/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-122CWE-119

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